RC bearings or Radio control hobbies, are used in RC Model Cars,RC Airplane, RC Boats, RC Truck, RC Helicopter, RC Engine, RC Jets Turbine, Slot Car etc, including the brands: Xmods, Tamiya, Traxxas, Mugen, Associated, Team Losi, Kyosho, OFNA, HPI, COX, MRC, Duratrax, Futaba Yokomo, Panda, Royal etc.
For some models, you can check the following bearing link: